Welcome to /r/tekkit ! This subreddit is focused on the Tekkit classic and Tekkit lite modpack, And is a place for you to show off what you can do, get help on what you want to do, or just invite people over to come look at what you have done!

Please Note this is a community for playing the Tekkit packs, and not for the sharing of exploits around the mods involved, so while bringing those exploits up are valid, sharing how to will be removed,

As lifedragon99 said, this is caused by your texture pack. Delete it and redownload the correct one for your version of Tekkit, or just run vanilla textures.

Edit: Shouldn't affect your craftign recipes though. Try to fix the texture pack first and then double check that you are using a correct recipe. If it still doesn't work, take a new picture and upload here for us, so we can help you out.

No, you guys are wrong, sorry. I've dealt with this before. Your mac doesn't have the power to be running that laggy game, with all those mods, and that texture pack. It takes the game so long to load, it thinks the file is missing. get a PC and maybe some good specs and your problem is fixed.

No, sir. You are wrong. I had the same problems on a windows, I updated my texture pack, and I got my sound back. Also, take a different approach on telling them they are wrong, the approach you took was a bit too hostile.

Broski. Its ok, I get it. How old are you? I think I have many more hours of experience than you, so trust me, updating a texture pack did nothing. What probably happened I ls that OpenGL was having a compatibility issue, so it wouldn't render things due to low memory. It defaulted to the hard coded texture of missing, and that is why he was posting this In the first place. If you will excuse me,i need to go do some computer stuff. Research next time.

Are you looking at every comment? Everybody knows that it was the texture pack, it happened to me like 5 times, every time that happened, updating texture pack fixed it. I'm going to stop arguing with you now, because it seems pointless to just continue arguing with someone who doesn't know when to stop because they are incorrect.